201665571

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 286556160

約数和(自身を除く): 84890589

約数列:

[1, 3, 31, 43, 93, 129, 211, 239, 633, 717, 1333, 3999, 6541, 7409, 9073, 10277, 19623, 22227, 27219, 30831, 50429, 151287, 281263, 318587, 843789, 955761, 1563299, 2168447, 4689897, 6505341, 67221857, 201665571]

約数ペア:

[(1, 201665571), (3, 67221857), (31, 6505341), (43, 4689897), (93, 2168447), (129, 1563299), (211, 955761), (239, 843789), (633, 318587), (717, 281263), (1333, 151287), (3999, 50429), (6541, 30831), (7409, 27219), (9073, 22227), (10277, 19623)]